diff options
Diffstat (limited to 'core/memory.go')
-rw-r--r-- | core/memory.go | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/core/memory.go b/core/memory.go deleted file mode 100644 index dabee3a..0000000 --- a/core/memory.go +++ /dev/null @@ -1,59 +0,0 @@ -package core - -import ( - "bytes" - "io" - "io/ioutil" -) - -// MemoryObject on memory Object implementation -type MemoryObject struct { - t ObjectType - h Hash - cont []byte - sz int64 -} - -// Hash return the object Hash, the hash is calculated on-the-fly the first -// time is called, the subsequent calls the same Hash is returned even if the -// type or the content has changed. The Hash is only generated if the size of -// the content is exactly the Object.Size -func (o *MemoryObject) Hash() Hash { - if o.h == ZeroHash && int64(len(o.cont)) == o.sz { - o.h = ComputeHash(o.t, o.cont) - } - - return o.h -} - -// Type return the ObjectType -func (o *MemoryObject) Type() ObjectType { return o.t } - -// SetType sets the ObjectType -func (o *MemoryObject) SetType(t ObjectType) { o.t = t } - -// Size return the size of the object -func (o *MemoryObject) Size() int64 { return o.sz } - -// SetSize set the object size, a content of the given size should be written -// afterwards -func (o *MemoryObject) SetSize(s int64) { o.sz = s } - -// Reader returns a ObjectReader used to read the object's content. -func (o *MemoryObject) Reader() (io.ReadCloser, error) { - return ioutil.NopCloser(bytes.NewBuffer(o.cont)), nil -} - -// Writer returns a ObjectWriter used to write the object's content. -func (o *MemoryObject) Writer() (io.WriteCloser, error) { - return o, nil -} - -func (o *MemoryObject) Write(p []byte) (n int, err error) { - o.cont = append(o.cont, p...) - return len(p), nil -} - -// Close releases any resources consumed by the object when it is acting as a -// ObjectWriter. -func (o *MemoryObject) Close() error { return nil } |